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Finding the Fourth Proportional to 502,070.55, 751,820.05 and 277,181.34

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Solution

The fourth proportional to 502,070.55, 751,820.05 and 277,181.34 is: 415,062.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,070.55 : 751,820.05 = 277,181.34 : x
  2. Step 2: Convert to fraction form
    502,070.55/751,820.05 = 277,181.34/x
  3. Step 3: Cross multiply
    502,070.55x = 751,820.05 × 277,181.34
  4. Step 4: Simplify right side
    502,070.55x = 208,390,488,897.87
  5. Step 5: Solve for x
    x = 208,390,488,897.87/502,070.55
  6. Step 6: Final answer
    x = 415,062.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.